This in itself is a problem, in my opinion, for the simple reason that confusion in the market slows down investment. One that will use the carriers spectrum, like lte, for backhaul. Commercial 5g ran backhaul and fronthaul overview smart. Carefully planning the amount of fiber pops, from which several more sites can be. An adtran white paper 4glte mobile backhaul reference. Backhaul contributes 3040% of mobile operators total network operation costs. Fsobased vertical backhaulfronthaul framework for 5g. In 4g, the mobile backhaul network is predominantly ethernetbased, due to lower costs and statistical multiplexing efficiencies. Instead, the mobile architecture beyond 4g consists of a simplified access network formed by base stations i. Section i is an introduction to the report, with complete report key findings. Contribution in order to build an overtheair selforganized lte mesh network among neighboring enbs while maintaining support for classical ues, we present a novel architecture that enhances enb, denoted as e2nb. The report covers the present scenario and the growth prospects of the global mobile backhaul.
There is an optimal balance between fiber p enetration and wireless backhaul, which depends on the local market conditions. Voice traffic, text messages, instant messages, mobile data, and video traffic all need to be backhauled to and from the mobile cellular base stations to the core network. Abstract 5g is the next cellular generation and is expected to quench the growing. Operators and wholesale backhaul providers are employing several network strategies for doing this, using an array of copper, fiber, and microwave technologies. Sign up for weekly thoughts, analysis and opinion from our editor keith dyer.
Microwave backhaul technology is now able to support 10 gbps, and its well prepared to support the evolution of lte and introduction of 5g networks, according a white paper published by ericsson. As operators begin to migrate from 4g to 5g, they must support the changing nature of the mobile. A distributed ran architecture with ethernet backhaul is the state of the art in 4g mobile networks today, but there are challenges as operators move to 5g, including high opera. Security of mobile backhaul is of utmost importance. Support multiple technologies synce 1588 individually in oof or hybrid with synce if needed provide solutions for different types of operators mobile, synchronization service, and synchronization transport support multiple time domains. Shakir, halim yanikomeroglu, and mohamedslim alouini abstractthe presence of a super high rate, but also costef. It is backhaul that uses the carriers spectrum, just like the ue, user equipment, you smartphone. Mobile networks that were originally built for voice communications are now being optimised for data applications. Improving mobile backhaul network reliability with carrier. The mobile internet tsunami meets the backhaul bottleneck backhaul is the central battleground for lte network migration even now backhaul is not meeting the demand of 3ghspa lte backhaul requirements are still not well understood by operators january 28, 2010 7 aviat networks. Directional antenna can be used to avoid interference issues. Today, the backhaul landscape is actively changing to keep up with user demand for data. Mobile backhaul consists of legacy sonetsdh, tdmpdh and nextgeneration gigabit ethernet services as 4g infrastructure is deployed by mobile network. Provisioning additional capacity within an mbh network is often a.
The number and the density of macro and micro mobile sites is going to increase overall, to support the higher traffic capacity. Challenges and research advances xiaohu ge1, senior member, ieee, hui cheng1, mohsen guizani2, fellow, ieee, tao han1, member, ieee 1department of electronics and information engineering huazhong university of science and technology, wuhan 430074, hubei, p. If it can meet these requirements, then gpon could be uniquely positioned for rapid and costeffective relief of legacy mobile backhaul bandwidth bottlenecks. Section ii provides the background to how, why and on what scale routers have been deployed in mobile backhaul networks throughout the world whether at individual cell sites, intermediate points. Architecture and transport for mobile broadband backhaul. Pdf mobile backhaul in heterogeneous network deployments. As transport networks evolve, network operators are. Definition of mobile backhaul is the infrastructure between cell sites and network operators. Microwave backhaul for 5g mobile networks microwave link. Improving mobile backhaul network reliability with carrierclass ieee 1588 ptp networkbased redundancy in networkbased redundancy, two entirely separate grandmasters are employed. Softwaredefined wireless transport networks for flexible. Introduces sdn to mobile backhaul, transforms csgs into dumb boxes. Discrete levels of inband and out of band small cell backhaul. Understanding mobile wireless backhaul fujitsu global.
The carriers all sell these units and many of todays smartphones do something similar. In the mobile ngn environment, new broadband services, such as mobile tv and mobile video, are. Todays backhaul networks are still dominated by tdm be it t1e1 microwave or highcapacity sdhsonet. These may be colocated, but preferably are located at different geographic locations in order to provide maximum protection. Typical mobile network architecture with mobile backhaul network portion highlighted. Variations of backhaul deployment depending on operator type. Sdn integration in lte mobile backhaul networks request pdf. Backhaul plays a critical role in mobile broadband, and is rising in importance on account of the introduction of heterogeneous networks.
Lte mobile backhaul architecting the new mobile superhighway adding high speed lte service to a mobile network without architecting the network backhaul for data is like driving a highperformance sports car during rush houritll look and sound good, but be really frustrating. Technology options and power consumption conference paper pdf available june. The dramatic growth in data rates, driven by open standard smartphones running data hungry applications, will drive a significant increase in mobile backhaul. The ue backhaul device in something that will use the carriers lte spectrum for backhaul. Green networks, mobile backhaul, heterogeneous wi reless networks, pico base stations, microwave. Top 5 vendors in the mobile backhaul equipment market from.
Economics on deployment and operational aspects of microwave and millimeterwave technology in imt 2020 5g mobile backhaulxhaul. Firstly, lte represents the final stage in the evolution from circuitpacket hybrid networks to a fully ipbased packet network, and secondly lte also transitions from the legacy hierarchical network architecture to a flat and distributed architecture thanks to the incorporation of the rnc in the. They also show the impact of the basic technology and topology choices of the backhaul for minimizing total power consumption. Wireless and fixedline backhaul infrastructure is an essential component of the mobile telecommunications network. The ma5671a can plug into the sfp slot of any existing or new customer or carrierowned terminals. Deploying vast numbers of small cells to complement improved and densified macrocell layers will require a range of highly scalable, flexible mobile backhaul solutions that support superior user experience.
The answer to this question depends on whether gpon can meet the requirements for 3glte backhaul. The taxonomy of the 5g mobile backhaul framework and models including, general solutions. Lte is a major change in the evolution of mobile network architectures from two key aspects. In a typical gsm wireless network, as shown in figure 1, base station transceivers bts are located at the cell site and provide the control and radio air interface. Leveraging gpon for mobile backhaul networks strategic white paper 1 mobile backhaul and the challenges faced by network operators as the mobile voice communications market has saturated, it has become increasingly difficult for mobile service providers msps to grow revenues simply by expanding the size of their subscriber bases. The global mobile backhaul equipment market to grow at a cagr of 2. Cienas wireless backhaul solution uses carrier ethernet and optical technologies to satisfy the mobile backhaul bandwidth requirements that 4g brings. Next generation 4g technologies such as lte and wimax promise to deliver an entirely new range of mobile broadband services. Focusing on backhaul from a radio network viewpoint, mobile backhaul combines perspectives on mobile networks and transport network technologies, focusing on mobile backhaul specific functionalities, which are essential in building modern cost efficient packet networks for mobile systems, ip, mpls and carrier ethernet. With 5g mobile communication becoming available around 2020, the industry has already started to develop a fairly clear view of the main challenges, opportunities and key technology components it involves. This is putting a strain on the mobile backhaul network.
Next generation mobile networks, such as lte release 10, will increase the requirement for backhaul capacity to gigabits per second. Global mobile backhaul equipment market 20162020 with. Mpls in mobile backhaul mr234 luyuan fang issue 2 broadband forum ambassador may 2010 cisco systems doug hunt broadband forum ambassador alcatellucent 2. Ip mobile backhaul presentation linkedin slideshare. The rapid involution of the mobile generation with incipient data networking capabilities and utilization has exponentially increased.
Mobile operators sometimes themselves have installed outdoor repeaters, extending the range of remote macrocells by lighting up hidden pockets and valleys otherwise masked by surrounding hills. Backhaul considerations for lte and lteadvanced alcatellucent application note 1 impact of lte and ltea on mobile backhaul long term evolution lte radio technology is bringing spectral efficiency improvements, supporting higher traffic volumes, and driving the shift in backhaul architectures to an allip model. Fortunately there is a less expensive option which offers greater flexibility high bandwidth wire less backhaul technologies such as free space optics fso or microwave radio. This is something that is commonly used for internet access when there is no wifi available. Not only are the transport requirements much higher, but there is also a fundamental shift from tdm transport in 2g and 3g networks to packet transport in 4g networks. The issue of backhaul for small cells is not one of technology, which is the focus of the small cell forum whitepaper. Design guide juniper networks universal and aggregation mbh 1. Mobile backhaul in heterogeneous network deployments. The need for increased capacity and decreased cost per transported bit drives packetbased mobile backhaul capacity boosts over microwave, copper and fiber. The mobile backhaul synchronization network of the future. Backhaul link technologies will not be a bottleneck for mobile broadband traffic. If you have ever used a carriers wifi hotspot then chances are you have used a device similar to this. Integrated direct rf data converters for 4x4 txrx mobile backhaul architectures multilevel ldpc codec sdfec to meet 5g standards and support for custom codes turbo decode sdfec for 4g lteadvanced and 4g lte pro.
Index termsbackhaul networks, gsm, mobile networks, circuit switching. White paper mobile backhaul evolution for deploying mobile next generation networks mobile ngn february 2007, nec corporation abstract next generation network ngn technologies are impacting the mobile operators as well. Lte backhaul, fronthaul, and flexihaul considerations. Mobile backhaul infrastructure wireless networks cell. The additional speeds and capacity provided by 4g wireless networks put additional strains on mobile backhaul networks and the carriers providing these backhaul services. Joint access and backhaul power consumption optimization.
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